But your GDM is still using Wayland, Right? I had to edit /etc/gdm3/custom.conf and uncomment line: WaylandEnable=false
After that mouse worked in GDM greeter too. I managed to reproduce this on another computer by using bionic-proposed main universe repository. Maybe this is bug in gnome-session or related package. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1749878 Title: GDM doesn't accept mouse clicks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1749878/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs